#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <time.h>

typedef int* pi;
typedef int(*iii)(int, int);
typedef iii(*piii)(int, iii);
typedef char(*wn)[];

struct emp
{
	char name[9];
	int age;
};

void Print_struct_emp_sz(struct emp**, int);
int add(int, int);
int sub(int, int);
int(*signal(int, iii))(int, int);